Nez Perce County, Idaho Population 2024

43,065

Nez Perce County, Idaho's estimated 2024 population is 43,065 with a growth rate of 0.18% in the past year according to the most recent United States census data. Nez Perce County, Idaho is the 10th largest county in Idaho. The 2010 population was 39,317 and has seen a growth of 9.53% since that time.

Note: data after 2022 is projected based on recent change

33 Rows

Year
Population
Growth
Change
202943,455780.18%
202843,377780.18%
202743,299780.18%
202643,221780.18%
202543,143780.18%
202443,065780.18%
202342,987780.18%
202242,9094090.96%
202142,5003550.84%
202042,1451,5443.8%
201940,6011930.48%
201840,408320.08%
201740,3761760.44%
201640,2001610.4%
201540,0391660.42%
201439,873540.14%
201339,8193070.78%
201239,512680.17%
201139,4441270.32%
201039,31700%
199033,7545341.61%
198033,2202,8449.36%
197030,3763,31012.23%
196027,0664,40819.45%
195022,6583,78520.06%
194018,8731,2827.29%
193017,5912,33815.33%
192015,253-9,607-38.64%
191024,86011,11280.83%
190013,74810,901382.89%
18902,847-1,118-28.2%
18803,9652,358146.73%
18701,607-41,848-96.3%
2024 Growth Rate
0.18% (78)
County Website
Nez Perce County
State
Idaho
County Seat
Lewiston
2020 Population
42,145
Area
848 mi²
Density
51 people/mi²
Growth Since 2020
2.18% (920)
Founded
February 4, 1864

Population by Race

Race
Population
Percentage (of total)
White37,45388.75%
Native American2,1034.98%
Two or more races1,9094.52%
Asian3740.89%
Other race2900.69%
Black or African American440.1%
Native Hawaiian or Pacific Islander270.06%

White

Native American

Two or more races

Asian

Other race

Black or African American

Native Hawaiian or Pacific Islander

Nez Perce County, Idaho Population by Race

Nez Perce County, Idaho Population Pyramid 2024

Nez Perce County, Idaho Median Age

40.7

Total

39

Male

41.9

Female

Nez Perce County, Idaho Adults

There are 33,188 adults, (8,568 of whom are seniors) in Nez Perce County, Idaho.

Nez Perce County, Idaho Age Dependency

71.4

Age Dependency Ratio

34.8

Old Age Dependency Ratio

36.6

Child Dependency Ratio

Nez Perce County, Idaho Sex Ratio

Female21,20050.24%
Male21,00049.76%

Nez Perce County, Idaho Population by Age

Nez Perce County, Idaho Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All17,1242.3871.628.4
Married8,0422.9589.110.9
Non Family6,4681.2355.544.5
Female1,5263.5359.640.4
Male1,0883.3854.845.2

2.94

Average Family Size

2.38

Average Household Size

71.6%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Nez Perce County, Idaho Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade1,3364.53%
Associates Degree3,33111.3%
Bachelors Degree5,14717.46%
Graduate Degree2,4218.21%
High School Graduate8,76429.72%
Less Than 9th Grade7362.5%
Some College7,75026.28%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Nez Perce County, Idaho Educational Attainment by Sex (over 25)

Nez Perce County, Idaho Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White26,29624,5826,835
Native American1,2911,215366
Hispanic927739172
2+ Races749681144
Asian31326894
Other Race19716951
Islander27272
Black23233

The highest rate of high school graduation is among black people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 30.03%.

Nez Perce County, Idaho Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$53,508$57,260$49,104
Graduate Degree$69,872$74,118$67,278
High School Graduate$37,548$46,981$30,724
Less Than 9th Grade$24,836$21,840$26,083
Overall$45,583$52,673$38,535
Some College$44,528$53,083$33,750

$45,583

Average Earnings

$52,673

Average Male

$38,535

Average Female

Nez Perce County, Idaho Earnings by Educational Attainment

Nez Perce County, Idaho Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Nez Perce County, Idaho Language

96.28% of Nez Perce County, Idaho residents speak only English, while 3.72% speak other languages. The non-English language spoken by the largest group is Other languages, which is spoken by 1.05% of the population.

Nez Perce County, Idaho Language

Nez Perce County, Idaho Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White35,1904,60713.09%
Native2,06744021.29%
Multiple1,74239422.62%
Hispanic1,71627716.14%
Asian3486117.53%
Other2874816.72%
Islander272074.07%

14.14%

Overall Poverty Rate

12.83%

Male Poverty Rate

15.45%

Female Poverty Rate

Poverty in Nez Perce County, Idaho

The race most likely to be in poverty in Nez Perce County, Idaho is Islander, with 74.07% below the poverty level.

The race least likely to be in poverty in Nez Perce County, Idaho is White, with 13.09% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.63%. Among those working part-time, it was 20.99%, and for those that did not work, the poverty rate was 20.52%.

Nez Perce County, Idaho Poverty

rate

Rate
Poverty
High School19.53%
Less Than 9th Grade18.59%
Some College9.12%
Bachelors or Greater5.88%

Nez Perce County, Idaho Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed44%
Male Unemployed24.41%
Female Employed8.2%
Male Employed7.62%

Nez Perce County, Idaho Poverty Rate by Employment Status and Sex

Nez Perce County, Idaho Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$88,522$102,518
Households$65,023$84,952
Married Families$95,884$111,283
Non Families$36,398$50,718

mean

median

Income by Household Type

Nez Perce County, Idaho Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

49.6%

Overall Marriage Rate

50.6%

Male Marriage Rate

48.7%

Female Marriage Rate

Nez Perce County, Idaho Married by Age and Sex

male

female

Nez Perce County, Idaho Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Nez Perce County, Idaho Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Nez Perce County, Idaho Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

3,060

Number of Veterans

2,763

Male Veterans

297

Female Veterans

War
Veterans
Vietnam1,084
First Gulf War766
Second Gulf War485
Korea179
World War II25

Nez Perce County, Idaho Veterans by War

count

Age Group
Veterans
75+814
35 to 54783
65 to 74772
55 to 64582
18 to 34109

Nez Perce County, Idaho Veterans by Age

count

Name
Veterans
% of Total
White2,8130.09398282716915572
Native American1260.08333333333333333
Hispanic740.06560283687943262
2+ Races630.061046511627906974
Other Race580.24680851063829787

Nez Perce County, Idaho Veterans by Race

Nez Perce County, Idaho Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

7.28%

Veteran Poverty Rate

35.04%

Veteran Disability Rate

Nez Perce County, Idaho Veterans by Education

LaborForceParticipation

60.3%

Labor Force Participation

58.1%

Employment Rate

3.2%

Unemployment Rate

Nez Perce County, Idaho Employment by Age

LaborForceParticipation

Nez Perce County, Idaho Employment by Race

LaborForceParticipation

Nez Perce County, Idaho Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

51.63%

Born in Nez Perce County, Idaho

97.7%

Native Born

2.3%

Foreign Born

0.62%

Non Citizen

1.68%

Naturalized

Place of Birth

97.7% of Nez Perce County, Idaho residents were born in the United States, with 51.63% having been born in Idaho. 0.62% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Nez Perce County, Idaho Place of Birth

Sources